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255312323 = 736473189
BaseRepresentation
bin11110011011111…
…00000111000011
3122210102012122222
433031330013003
51010324443243
641200121255
76220055540
oct1715740703
9583365588
10255312323
11121131a22
127160622b
1340b826a6
1425c9dbc7
1517633168
hexf37c1c3

255312323 has 4 divisors (see below), whose sum is σ = 291785520. Its totient is φ = 218839128.

The previous prime is 255312251. The next prime is 255312331. The reversal of 255312323 is 323213552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255312323 - 214 = 255295939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255312292 and 255312301.

It is not an unprimeable number, because it can be changed into a prime (255312353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18236588 + ... + 18236601.

It is an arithmetic number, because the mean of its divisors is an integer number (72946380).

Almost surely, 2255312323 is an apocalyptic number.

255312323 is a deficient number, since it is larger than the sum of its proper divisors (36473197).

255312323 is an equidigital number, since it uses as much as digits as its factorization.

255312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36473196.

The product of its digits is 5400, while the sum is 26.

The square root of 255312323 is about 15978.4956425816. The cubic root of 255312323 is about 634.3913592746.

Adding to 255312323 its reverse (323213552), we get a palindrome (578525875).

The spelling of 255312323 in words is "two hundred fifty-five million, three hundred twelve thousand, three hundred twenty-three".

Divisors: 1 7 36473189 255312323